DE29923368U1 - Tool for a cutting, mining or road milling machine - Google Patents

Tool for a cutting, mining or road milling machine

Info

Publication number
DE29923368U1
DE29923368U1 DE29923368U DE29923368U DE29923368U1 DE 29923368 U1 DE29923368 U1 DE 29923368U1 DE 29923368 U DE29923368 U DE 29923368U DE 29923368 U DE29923368 U DE 29923368U DE 29923368 U1 DE29923368 U1 DE 29923368U1
Authority
DE
Germany
Prior art keywords
chisel
projection
support surface
tool according
longitudinal axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29923368U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Betek GmbH and Co KG
Original Assignee
Betek Bergbau und Hartmetalltechnik Karl Heinz Simon GmbH and Co KG DE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Betek Bergbau und Hartmetalltechnik Karl Heinz Simon GmbH and Co KG DE filed Critical Betek Bergbau und Hartmetalltechnik Karl Heinz Simon GmbH and Co KG DE
Priority to DE29923368U priority Critical patent/DE29923368U1/en
Priority claimed from DE19922320A external-priority patent/DE19922320C5/en
Publication of DE29923368U1 publication Critical patent/DE29923368U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
    • B28D1/188—Tools therefor, e.g. having exchangeable cutter bits with exchangeable cutter bits or cutter segments
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Component Parts Of Construction Machinery (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (7)

1. Werkzeug für eine Schräm-, Bergbau- oder Straßenfräsmaschine mit einem Rundschaftmeißel, der einen Meißelkopf mit einer Meißelspitze und einen Meißelschaft aufweist, wobei der Meißelschaft in einer Aufnahme eines Halteansatzes eines Meißelhalters in Richtung der Mittellängsachse der Aufnahme unverlierbar, jedoch um diese Mittellängsachse frei drehbar gehalten ist, wobei der Ansatz eine Stützfläche aufweist, die sich zu­ mindest bereichsweise um die Aufnahme herum erstreckt und auf der eine Verschleißschutzscheibe mit einer Gegenfläche aufliegt, und wobei der Meißelkopf auf der der Stützfläche abgekehrten Oberseite der Ver­ schleißschutzscheibe aufliegt, dadurch gekennzeichnet,
dass sich die Stützfläche (22) quer zur Mittellängsachse (18) der Auf­ nahme (21) bis hin zu den äußeren Abmessungsbegrenzungen des an die Stützfläche (22) anschließenden Bereichs des Halteansatzes (24) er­ streckt, und
dass die Verschleißschutzscheibe (30) mit ihrer Gegenfläche (31) den gesamten, radial außen liegenden Bereich der Stützfläche (22) überdeckt.1. Tool for a cutting, mining or road milling machine with a round shank chisel, which has a chisel head with a chisel tip and a chisel shank, the chisel shank being captive in a receptacle of a holding attachment of a chisel holder in the direction of the central longitudinal axis of the receptacle, but free about this central longitudinal axis is rotatably held, wherein the approach has a support surface which extends at least in regions around the receptacle and on which a wear protection disc rests with a counter surface, and wherein the chisel head rests on the top of the wear protection disc facing away from the support surface, characterized in that
that the support surface ( 22 ) transversely to the central longitudinal axis ( 18 ) of the uptake ( 21 ) up to the outer dimensional limits of the region of the holding attachment ( 24 ) adjoining the support surface ( 22 ), and
that the wear protection disc ( 30 ) with its counter surface ( 31 ) covers the entire radially outer area of the support surface ( 22 ). 2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Halteansatz (24) seitlich an einen Grundkörper (25) des Mei­ ßelhalters (20) angeformt ist,
dass der Halteansatz (24) mit einem Vorsprung in Richtung der Mittel­ längsachse (18) der Aufnahme (21) gesehen über den Meißelhalter (20) vorsteht, und
dass die Stützfläche (22) am freien Ende des Vorsprungs angeordnet ist.2. Tool according to claim 1, characterized in that the holding projection ( 24 ) is formed laterally on a base body ( 25 ) of the chisel holder ( 20 ),
that the holding projection (24) longitudinal axis with a projection in the direction of the means (18) of the receptacle (21) seen projecting above the chisel holder (20), and
that the support surface ( 22 ) is arranged at the free end of the projection. 3. Werkzeug nach Anspruch 2, dadurch gekennzeichnet,
dass der Vorsprung des Halteansatzes (24) im Querschnitt kreisförmig ausgebildet ist, und
dass die Stützfläche (22) eine ringförmige Gestalt aufweist.3. Tool according to claim 2, characterized in
that the projection of the retaining projection ( 24 ) is circular in cross section, and
that the support surface ( 22 ) has an annular shape. 4. Werkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Halteansatz (24) mit einer oder mehreren Verschleißmarkie­ rungen versehen ist, die im Bereich hinter der Verschleißschutzscheibe (30) angeordnet sind.4. Tool according to one of claims 1 to 3, characterized in that the holding projection ( 24 ) is provided with one or more wear markings, which are arranged in the area behind the wear protection disc ( 30 ). 5. Werkzeug nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass in den Vorsprung des Halteansatzes (24) umfangsseitig um die Mittellängsachse (18) der Aufnahmen (21) umlaufende, als Verschleiß­ markierungen (23) dienende Vertiefungen eingebracht sind.5. Tool according to one of claims 2 to 4, characterized in that in the projection of the holding projection ( 24 ) circumferentially around the central longitudinal axis ( 18 ) of the receptacles ( 21 ), as well as wear marks ( 23 ) serving recesses are introduced. 6. Werkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Material der Verschleißschutzscheibe (30) eine geringere Härte als der Meißelkopf (11) und der Haltenansatz (24) des Meißelhalters (20) aufweist.6. Tool according to one of claims 1 to 5, characterized in that the material of the wear protection disc ( 30 ) has a lower hardness than the chisel head ( 11 ) and the holding projection ( 24 ) of the chisel holder ( 20 ). 7. Werkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Stützfläche (22) einen Durchmesser größer als 38 mm vorzugsweise 44 mm aufweist.7. Tool according to one of claims 1 to 6, characterized in that the support surface ( 22 ) has a diameter greater than 38 mm, preferably 44 mm.
DE29923368U 1999-05-14 1999-05-14 Tool for a cutting, mining or road milling machine Expired - Lifetime DE29923368U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923368U DE29923368U1 (en) 1999-05-14 1999-05-14 Tool for a cutting, mining or road milling machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19922320A DE19922320C5 (en) 1999-05-14 1999-05-14 Tool for a cutting, mining or road milling machine
DE29923368U DE29923368U1 (en) 1999-05-14 1999-05-14 Tool for a cutting, mining or road milling machine

Publications (1)

Publication Number Publication Date
DE29923368U1 true DE29923368U1 (en) 2000-08-17

Family

ID=26053357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923368U Expired - Lifetime DE29923368U1 (en) 1999-05-14 1999-05-14 Tool for a cutting, mining or road milling machine

Country Status (1)

Country Link
DE (1) DE29923368U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862559A (en) * 2016-04-08 2016-08-17 江苏大学 Prepressing spacer capable of improving windmilling performance of cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862559A (en) * 2016-04-08 2016-08-17 江苏大学 Prepressing spacer capable of improving windmilling performance of cutter

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000921

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021008

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20050610

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20070608

R071 Expiry of right